GCMS blank analysis results for sample AD29735, Jan 29 2002

Machine-extracted title · confidence 100%

Blank analysis report confirming no detectable levels of target compounds above the method detection limit.

NYC-WTC_000018808–000018816

Folder label: “GCMS X 12/17/01 A 12/22 - 12/23/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : M:\INSTRU~1\2O9\DATA\DEC21O1\LBE.D Vial: 15 Acq On : 22 Dec 2001 10:26 pm Operator: 209 GALOS Sample : gc/ms scan 12/17 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 Bis(2-ethylhexyl) phthalate Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T.

33.29 0.35 ug/1 78067 Chrysene-dl2 33.01

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Bis(2-ethylhexyl) phthalate 390 C24H3804 000117-81-786 2 Phthalic acid, diisooctyl ester 390 C24H3804 001330-91-2 80 3 1,2-Benzenedicarboxylic acid, 3-nit 211 C8H5NO6 000603-11-2 80 4 1,2-Benzenedicarboxylic acid, bis(2 278 C16H2204 000084-69-5 53 Abundance Scan 3077 (33.295 mln): LBE.D (-) m/z 149.00 100.00%

_ 1. 149

5000 57 167 43 71i 83 97 113 mfz-> Abundance 40 .4MlH+Hl+ 60 80 100 120 , 132 1"' 1 »| 140 160 #53128: Bis(2-ethylhexy!) phthalate _ 207 239 180 '266 220 240 260 280 279 1 m/z 33.00 33.20 33.40 33.60 57.00 33.32%

149 PA—W Vwaw//n. 5000 T T T 57 167 33.00 33.20 33.40 33.60 71 m/z 167.00 33.01% | 83 279 — 113132 1 1 r i |"| I l I I i i I r nnnnpa—n/B/nnTIII I 1 1 1

miz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #53135: Phthalic acid, diisooctyl ester 149 A T TT T 33.00 33.20 33.40 33.60 5000 m/z 43.05 23.96% 57 167 71 83 97 113 ■ ■ I ■ mi * stivs i ■ •1 ■ ।' ■ • ■ । ■ ■ ■ • । • ■ ■ • । ■ miz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #25513: 1,2-Benzenedicarboxylicacid, 3-nitro- 149 33.00 33.20 33.40 33.60 m/z 41.05 22.69% 5000 167 71 । 'i । । i । I ।113 ■ । I । i । । [-i dl i 83 I11 fi 132 ■ । । । । — । i I eb • • J IT ii 1A**I**I mfz~> 40 60 80 100 120 140 160 180 200 220 240 260 280 33.00 33.20 33.40 33.60

LBE.D GCMS1126.M Tue Jan 29 14:35:38 2002 Page 2

NYC-WTC_000018815

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NYC-WTC_000018815Source: NYC Law Department, mirrored locally

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NYC-WTC_000018923

GCMS analysis report for sample AD26477 showing detection of unknown compounds and surrogate recovery data from December 21, 2001.

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